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Ch.1 Lesson 3
Bones, muscles, and nerves
| Question | Answer |
|---|---|
| Bone marrow | a connective tissue that produces red blood cells and white blood cells |
| joints | a place where bones meet and are attached to each other and to the muscles |
| tendons | tough bands of connective tissue that attach muscles to bones |
| ligaments | one of the bands of connective tissue that hold a skeleton together |
| cartilage | a type of connective tissue that coats the ends of bones where they meet a joint; the tip of your nose and your outer ear is made of this |
| Voluntary muscles | move bones and hold your skeleton upright |
| Smooth muscles | contract slowly and move substances through the organs they surround; run in bands around the walls of blood vessels and digestive organs |
| Cardiac muscles | make up the walls of the heart; function is to pump blood |
| neuron | a specialized cell that can receive information and transmit it to other cells |
| synapse | the gap between neurons |
| receptors | nerve cells that detect conditions in the body’s environment |
| reflexes | automatic muscle responses to situations |
| nerves | clusters of neurons that stretch between the central nervous system and every other part of the body |
Created by:
hun3hai2
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